Waianae Harbor is a small boat harbor on the west coast of Oahu, Hawaii, offering sportfishing charters, sailing cruises, dolphin excursions, whale watching, and snorkeling tours. It features facilities including 109 berths, 7 ramps, vessel washdown, fish hoist, marine sanitation pump out, harbor office, restrooms, ice house, and convenience store. Various operators like Hawaii Nautical (family-owned ocean activities), Dolphin Excursions (dolphin and whale watching on 34-foot RIB for small groups), and others provide services such as swim with wild dolphins, snorkeling with turtles and reef fish, sunset cruises, and private charters with limited capacity for intimate experiences.